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Födinger M, Wagner OF, Hörl WH, Sunder-Plassmann G.Födinger M, et al.Kidney Int Suppl. 2001 Feb;78:S238-42. doi: 10.1046/j.1523-1755.2001.59780238.x.Kidney Int Suppl. 2001.PMID: 11169018Free article.Review.